Stephen Hawking's terrifying UFO warning has resurfaced online after Harvard researchers publish paper suggesting comet ...

Famed physicist Stephen Hawking repeatedly warned against attempting to contact extraterrestrial civilizations, arguing that ...

As interest in UFOs and extraterrestrial intelligence grows, the late Stephen Hawking's warning about the risks of contact ...

Stephen Hawking’s dire alien warning has resurfaced amid human efforts to make contacts with aliens.The theoretical physicist ...

Scientists have raised concerns that humanity might face a potentially catastrophic encounter with extraterrestrial beings ...

In the years before his death, physicist Stephen Hawking repeatedly cautioned against attempts to contact extraterrestrial ...

Stephen Hawking attends the launch of The Leverhulme Centre for the Future of Intelligence (CFI) at the University of Cambridge, in Cambridge, eastern England, on October 19, 2016.

Stephen Hawking's wit and humor broke down his complicated theories on space-time and resonated through popular culture as he appeared in films, books, music and "The Simpsons." ...

Stephen Hawking, the renowned physicist who died in March, warns of both rises in advanced artificial intelligence and genetically-enhanced "superhumans" in a book publishing Tuesday.

More: Remembering Stephen Hawking: 5 things to know about the legendary physicist One reason Hawking’s atheism was less well-known was he seemed to fudge the question of God’s existence for years.

Ferguson, who helped Hawking edit his 2001 book The Universe in a Nutshell, is the author of a new Hawking biography, Stephen Hawking: An Unfettered Mind.

Physicist Stephen Hawking made a splash this week when he announced that he had solved a vexing conundrum that had puzzled generations of leading physicists -- including the 73-year-old scientific ...